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BOREHOLE SEALING WORK <br />Task description: Seal All Monitoring Wells and Exploration Holes <br />Site: Yoast Mine Pen -nit Action: RN5 Permit/Job#: C1994082 <br />PROJECT IDENTIFICATION <br />Task 4: 060 <br />Date: 2/7/2020 <br />User: DC1 <br />State: Colorado <br />County: Routt <br />Agency or organization name: DRMS <br />UNIT COSTS <br />Abbreviation: None <br />Filename: C1994082 <br />Borehole <br />Sealing/Item Method <br />Description <br />Diameter <br />Length <br />Quantity <br />Unit <br />Unit <br />Total Cost <br />Cost <br />Seal All 2" Wells <br />PVC plug - 2 in. <br />2" <br />860 LF <br />16.00 <br />EA <br />$23.60 <br />$377.64 <br />16 - Plug <br />diameter borehole <br />- Fill Holes with <br />Portland cement grout ( <br />2" <br />860 LF <br />7.00 <br />bag <br />$13.40 <br />$93.80 <br />Cement <br />Bag, material cost <br />only ...94 lb. baa) <br />- Cut Casing at <br />Exposed casing removal <br />2" <br />NA <br />16.00 <br />LF <br />$3.26 <br />$52.16 <br />Surface <br />- Calculate <br />Circumference in Linear <br />Feet <br />- Borehole <br />Borehole <br />NA <br />NA <br />16.00 <br />EA <br />$32.00 <br />$512.00 <br />Marker <br />location/identification <br />marker (EA, material <br />cost only) <br />- Drill Rig Time <br />Truck Mounted - 3.0 in. <br />NA <br />NA <br />32.00 <br />EA <br />$38.46 <br />$1,230.72 <br />- 1,700 ft. capy. <br />- Water Truck <br />Water Tanker, 5,000 <br />NA <br />NA <br />32.00 <br />EA <br />$67.39 <br />$2,156.48 <br />Time <br />Gal. <br />Seal All 4"Wells <br />PVC plug - 4 in. <br />4" <br />5,260 LF <br />43.00 <br />EA <br />$32.62 <br />$1,402.64 <br />43 - Plug <br />diameter borehole <br />- Fill Holes with <br />Portland cement grout ( <br />4" <br />5,260 LF <br />159.00 <br />bag <br />$13.40 <br />$2,130.60 <br />Cement <br />Bag, material cost <br />only ...94 lb. bag) <br />- Cut Casing at <br />Exposed casing removal <br />4" <br />NA <br />43.00 <br />LF <br />$3.26 <br />$140.18 <br />Surface <br />- Calculate <br />Circumference in Linear <br />Feet <br />- Borehole <br />Borehole <br />NA <br />NA <br />43.00 <br />EA <br />$32.00 <br />$1,376.00 <br />Marker <br />location/identification <br />marker (EA, material <br />cost only) <br />- Drill Rig Time <br />Truck Mounted - 3.0 in. <br />NA <br />NA <br />172.00 <br />EA <br />$38.46 <br />$6,615.12 <br />- 1,700 ft. capy. <br />- Water Truck <br />Water Tanker, 5,000 <br />NA <br />NA <br />172.00 <br />EA <br />$67.39 <br />$11,591.08 <br />Time <br />Gal. <br />Job Hours: 204.00 Total Cost: $27,678.00 <br />